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Message-ID: <20140622084507.GB13974@gmail.com> Date: Sun, 22 Jun 2014 10:45:07 +0200 From: Ingo Molnar <mingo@...nel.org> To: Thomas Gleixner <tglx@...utronix.de> Cc: LKML <linux-kernel@...r.kernel.org>, Steven Rostedt <rostedt@...dmis.org>, Peter Zijlstra <peterz@...radead.org> Subject: Re: [patch V4 00/10] rtmutex: Code clarification and optimization * Thomas Gleixner <tglx@...utronix.de> wrote: > Hopefully the last iteration of this. > > I addressed all the review comments and added the following new ones: > > 1/n: plug unlock race. > > Patch was separately posted already in the safety of > *mutex_unlock() thread. > > 2/n: Document and simplify the trylock path > > 3/n: Document and simplify try_to_take_rtmutex() JFYI, the Blackfin cross-build fails with: /home/mingo/tip/kernel/locking/rtmutex.c: In function 'rt_mutex_adjust_prio_chain': /home/mingo/tip/kernel/locking/rtmutex.c:739: error: unable to find a register to spill in class 'CCREGS' /home/mingo/tip/kernel/locking/rtmutex.c:739: error: this is the insn: (insn 82 75 107 2 /home/mingo/tip/kernel/locking/rtmutex.c:487 (set (reg:BI 186) (eq:BI (reg/v/f:SI 9 P1 [orig:85 top_waiter ] [85]) (const_int 0 [0x0]))) 111 {compare_eq} (nil)) /home/mingo/tip/kernel/locking/rtmutex.c:739: confused by earlier errors, bailing out Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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